Genetic Variant ADAM2:p.Asp623His (chr8-39749675-C-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001464.5(ADAM2):c.1867G>C(p.Asp623His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,458,714 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D623G) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

ADAM2
NM_001464.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.574

Publications

1 publications found

Variant links:

Genes affected

ADAM2 (HGNC:198): (ADAM metallopeptidase domain 2) This gene encodes a member of the ADAM (a disintegrin and metalloprotease domain) family. Members of this family are membrane-anchored proteins structurally related to snake venom disintegrins, and have been implicated in a variety of biological processes involving cell-cell and cell-matrix interactions, including fertilization, muscle development, and neurogenesis. The encoded protein is a subunit of an integral sperm membrane glycoprotein called fertilin, which plays an important role in sperm-egg interactions. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, May 2013]

ADAM2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.08109844).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ADAM2	NM_001464.5 link	c.1867G>C	p.Asp623His	missense_variant	Exon 17 of 21	ENST00000265708.9	NP_001455.3	Q99965-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ADAM2	ENST00000265708.9 link	c.1867G>C	p.Asp623His	missense_variant	Exon 17 of 21	1	NM_001464.5	ENSP00000265708.4	Q99965-1
ADAM2	ENST00000347580.8 link	c.1810G>C	p.Asp604His	missense_variant	Exon 16 of 20	1		ENSP00000343854.4	Q99965-2
ADAM2	ENST00000379853.6 link	c.1399G>C	p.Asp467His	missense_variant	Exon 13 of 17	1		ENSP00000369182.2	Q6P2G0
ADAM2	ENST00000521880.5 link	c.1678G>C	p.Asp560His	missense_variant	Exon 16 of 20	2		ENSP00000429352.1	B4DWY7

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000400

AC:

AN:

249948

AF XY:

0.00000740

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000885

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.86e-7

AC:

AN:

1458714

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

725698

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33392

American (AMR)

AF:

0.00

AC:

AN:

44556

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26040

East Asian (EAS)

AF:

0.00

AC:

AN:

39652

South Asian (SAS)

AF:

0.00

AC:

AN:

85824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53356

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5752

European-Non Finnish (NFE)

AF:

9.01e-7

AC:

AN:

1109866

Other (OTH)

AF:

0.00

AC:

AN:

60276

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.099

BayesDel_addAF

Benign

-0.18

BayesDel_noAF

Benign

-0.50

CADD

Benign

0.28

(source)

DANN

Benign

0.12

DEOGEN2

Benign

0.036

.;.;T;T;T

Eigen

Benign

-2.3

Eigen_PC

Benign

-2.3

FATHMM_MKL

Benign

0.0068

LIST_S2

Benign

0.060

T;T;T;T;.

M_CAP

Benign

0.019

MetaRNN

Benign

0.081

T;T;T;T;T

MetaSVM

Benign

-0.87

MutationAssessor

Benign

-0.48

.;.;N;.;.

PhyloP100

-0.57

PrimateAI

Benign

0.35

PROVEAN

Benign

-0.77

N;N;N;.;N

REVEL

Benign

0.23

Sift

Benign

0.24

T;T;T;.;T

Sift4G

Benign

0.17

T;T;T;T;T

Polyphen

0.0010

B;B;B;B;B

Vest4

0.14

MutPred

0.49

.;.;Loss of ubiquitination at K620 (P = 0.0547);.;.;

MVP

0.61

MPC

0.025

ClinPred

0.050

GERP RS

-4.2

Varity_R

0.043

gMVP

0.69

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over